Floor cleaner



FIG. 1 is a perspective view of a floor cleaner which embodies our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view thereof being a mirror image of the left side view thereof; and,

FIG. 5 is a top view thereof.

Portions of the floor cleaner shown in broken lines form no part of the claimed design. 

The ornamental design for a floor cleaner, as shown and described. 